diff --git a/.github/workflows/ci-windows.yml b/.github/workflows/ci-windows.yml
index a68f1c9..51528d7 100644
--- a/.github/workflows/ci-windows.yml
+++ b/.github/workflows/ci-windows.yml
@@ -17,9 +17,7 @@ jobs:
 
     steps:
       - uses: actions/checkout@v4
-      - uses: arduino/setup-protoc@v2
-        with:
-          repo-token: ${{ secrets.GITHUB_TOKEN }}
+      - run: ./scripts/install-protobuf.sh
       - run: cargo check --examples --tests -p containerd-shim -p containerd-shim-protos
       
       - run: rustup toolchain install nightly --component rustfmt
@@ -41,9 +39,7 @@ jobs:
 
     steps:
       - uses: actions/checkout@v4
-      - uses: arduino/setup-protoc@v2
-        with:
-          repo-token: ${{ secrets.GITHUB_TOKEN }}
+      - run: ./scripts/install-protobuf.sh
       - name: Tests
         run: |
           cargo test -p containerd-shim -p containerd-shim-protos
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index d1c325e..9457583 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -18,9 +18,9 @@ jobs:
 
     steps:
       - uses: actions/checkout@v4
-      - uses: arduino/setup-protoc@v2
-        with:
-          repo-token: ${{ secrets.GITHUB_TOKEN }}
+
+      - run: ./scripts/install-protobuf.sh
+
       - run: cargo check --examples --tests --all-targets
       - run: cargo check --examples --tests --all-targets --all-features
 
@@ -45,16 +45,13 @@ jobs:
 
     steps:
       - uses: actions/checkout@v4
-      - uses: arduino/setup-protoc@v2
-        with:
-          repo-token: ${{ secrets.GITHUB_TOKEN }}
+      - run: ./scripts/install-protobuf.sh
       - env:
           # runc::tests::test_exec needs $XDG_RUNTIME_DIR to be set
           XDG_RUNTIME_DIR: /tmp/dummy-xdr
         run: |
           # runc-shim::cgroup::test_add_cgroup needs root permission to set cgroup
           mkdir -p /tmp/dummy-xdr
-          export PROTOC=$(which protoc)
           sudo -E $(command -v cargo) test
           sudo -E $(command -v cargo) test --all-features
 
@@ -67,9 +64,7 @@ jobs:
 
     steps:
       - uses: actions/checkout@v4
-      - uses: arduino/setup-protoc@v2
-        with:
-          repo-token: ${{ secrets.GITHUB_TOKEN }}
+      - run: ./scripts/install-protobuf.sh
       - run: cargo build --all-features --timings
       - uses: actions/upload-artifact@v3
         with:
diff --git a/scripts/install-protobuf.sh b/scripts/install-protobuf.sh
new file mode 100755
index 0000000..a775050
--- /dev/null
+++ b/scripts/install-protobuf.sh
@@ -0,0 +1,21 @@
+#!/bin/bash
+
+# Helper script for Github Actions to install protobuf on different runners.
+
+if [ "$RUNNER_OS" == 'Linux' ]; then
+    # Install on Linux
+    sudo apt-get update
+    sudo apt-get install -y protobuf-compiler
+elif [ "$RUNNER_OS" == 'macOS' ]; then
+    # Install on macOS
+    brew install protobuf
+elif [ "$RUNNER_OS" == 'Windows' ]; then
+    # Install on Windows
+    choco install protoc
+else
+    echo "Unsupported OS: $RUNNER_OS"
+    exit 1
+fi
+
+# Check the installed Protobuf version
+protoc --version